I have a shitty little python script I can add to the pile. I haven't tested it on OSX but its just using pysimplegui and pyglet. It's a crappy little program i'm using to emulate the "learn to edge: stairways" tease, but it might be sufficient for you.

Apologies if this is an obvious question, but I was trying to make a tease based on your github repo and uploading the .json file returns an error - "Your backup contains errors and cannot be imported. Please ask for help in the forum.".
Would you mind documenting the process of using your repo as ...